Stadium: Court 2 Round: 25 Ground: Clay
| ITF - M15 Rovinj | 2019/03/20 09:00 | Domagoj Biljesko v Ceppellini, Alessandro | 2-6,4-6 |
| ITF - M15 Porec | 2019/03/14 09:00 | Benjamin Hassan v Domagoj Biljesko | 6-4,6-4 |
| ITF - M15 Porec | 2019/03/12 13:05 | Gao, Qun v Domagoj Biljesko | 3-6,2-6 |
| ITF - M15 Antalya | 2019/02/27 07:00 | Domagoj Biljesko v Nicolas Mejia | 1-6,3-6 |
| ITF - M15 Antalya | 2019/02/18 07:00 | Nerman Fatic v Domagoj Biljesko | 6-2,6-3 |
| ITF Bosnia and Herzegovina F3 | 2018/05/31 11:25 | Domagoj Biljesko v Nagy, Peter | 4-6,0-6 |
| ITF Bosnia and Herzegovina F3 | 2018/05/29 12:40 | Domagoj Biljesko v Zhao, Lingxi | 6-7,6-3,6-4 |
| ITF Bosnia and Herzegovina F1 | 2018/05/17 10:50 | Brkic, Tomislav v Domagoj Biljesko | 6-4,3-6,6-3 |
| ITF - M15 Antalya | 2019/04/09 09:30 | Ratniuk, Maxim v Michael Gloeckler | 6-2,7-5 |
| ITF - M15 Antalya | 2019/04/08 07:15 | Ratniuk, Maxim v Ivan Zaytsev | 6-0,6-2 |
| Kazan, Simples M-ITF-RUS-02A | 2019/03/14 07:00 | Ratniuk, Maxim v Danilov, Savriyan | 4-6,6-3,1-6 |
| Kazan, Simples M-ITF-RUS-02A | 2019/03/13 11:25 | Betov, Sergey v Ratniuk, Maxim | 2-6,4-6 |
| Kazan, Simples M-ITF-RUS-02A | 2019/03/12 10:10 | Ratniuk, Maxim v Saar, Karl Kiur | 6-1,6-3 |
| Kazan, Simples M-ITF-RUS-02A | 2019/03/11 09:30 | Ratniuk, Maxim v Mikhaylyuk, Ivan | 6-3,6-1 |
| ITF - M15 Sharm El Sheikh | 2019/02/27 11:35 | Ratniuk, Maxim v Miladinovic, Marko | 6-7,2-6 |
| ITF - M15 Sharm El Sheikh | 2019/02/18 07:30 | Ratniuk, Maxim v van Der Meerschen, Martin | 3-6,4-6 |